190708240 has 40 divisors (see below), whose sum is σ = 447560640. Its totient is φ = 75566976.

The previous prime is 190708213. The next prime is 190708277. The reversal of 190708240 is 42807091.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 19699.

It is an arithmetic number, because the mean of its divisors is an integer number (11189016).

Almost surely, 2^190708240 is an apocalyptic number.

190708240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190708240 is an abundant number, since it is smaller than the sum of its proper divisors (256852400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190708240 is a wasteful number, since it uses less digits than its factorization.

190708240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22399 (or 22393 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 190708240 is about 13809.7154206740. The cubic root of 190708240 is about 575.6031377628.

The spelling of 190708240 in words is "one hundred ninety million, seven hundred eight thousand, two hundred forty".